A visual improvement of UISlider to be used to specify the alpha value of a color.
A color wheel/picker for watchOS based on Colorful that uses the Digital Crown as a brightness slider.
A color picker implementation with color wheel appearance written in plain SwiftUI. It is compatible with UIColor and NSColor.
Create complementary gradients generated from dominant and prominent colors in supplied image. Inspired by Grade.js.
An NSSlider subclass. Supports colored sliders, including gradients. Can match knob color to that of location on the slider.